(19)

(11)

EP 0 766 752 A1

(12)

(43) Date of publication: 09.04.1997 Bulletin 1997/15 (21) Application number: 95915657.0 (22) Date of filing: 12.04.1995

(51) International Patent Classification (IPC):  B01D 53/ 32( . ) C04B 35/ 453( . ) C25B 1/ 02( . ) C25B 13/ 04( . ) C01B 13/ 02( . ) C04B 35/ 50( . ) C25B 9/ 00( . ) H01M 8/ 12( . ) (86) International application number: PCT/US1995/004521 (87) International publication number: WO 1995/027810 (19.10.1995 Gazette 1995/45)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 12.04.1994 US 19940226769 (71) Applicant: OxyCell Countryside, IL 60525 (US)	(72) Inventors: RENLUND, Gary, M. Salt Lake City, UT 84121 (US) MACKERELL, Richard, R. Salt Lake City, UT 84121 (US) SYAMMACH, Mustafa, A. Salt Lake City, UT 84105 (US) (74) Representative: Belcher, Simon James, et al  Urquhart-Dykes & Lord Tower House Merrion Way Leeds LS2 8PA Leeds LS2 8PA (GB)